#此文件从模板自动生成! 请勿更改!
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)
cmake_minimum_required(VERSION 3.30)

# specify cross-compilers and tools
set(CMAKE_C_COMPILER arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
set(CMAKE_ASM_COMPILER  arm-none-eabi-gcc)
set(CMAKE_AR arm-none-eabi-ar)
set(CMAKE_OBJCOPY arm-none-eabi-objcopy)
set(CMAKE_OBJDUMP arm-none-eabi-objdump)
set(SIZE arm-none-eabi-size)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

# project settings
project(focproject C CXX ASM)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_C_STANDARD 11)

#Uncomment for hardware floating point
#add_compile_definitions(ARM_MATH_CM4;ARM_MATH_MATRIX_CHECK;ARM_MATH_ROUNDING)
#add_compile_options(-mfloat-abi=hard -mfpu=fpv4-sp-d16)
#add_link_options(-mfloat-abi=hard -mfpu=fpv4-sp-d16)

#Uncomment for software floating point
#add_compile_options(-mfloat-abi=soft)

add_compile_options(-mcpu=cortex-m3 -mthumb -mthumb-interwork)
add_compile_options(-ffunction-sections -fdata-sections -fno-common -fmessage-length=0)

# uncomment to mitigate c++17 absolute addresses warnings
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-register")

# Enable assembler files preprocessing
add_compile_options($<$<COMPILE_LANGUAGE:ASM>:-x$<SEMICOLON>assembler-with-cpp>)
add_compile_options(
        -Os                  # 代码大小优先优化
        -fno-exceptions      # 禁用异常（节省约10-20KB）
        -fno-rtti            # 禁用运行时类型信息（节省2-5KB）
        -ffunction-sections  # 函数分段
        -fdata-sections      # 数据分段
)
add_link_options(
        -Wl,--gc-sections    # 移除未使用的段
        -flto                # 链接时优化
)
#
## 在CMake中指定nano库
add_link_options(--specs=nano.specs)
if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
    message(STATUS "Maximum optimization for speed")
    add_compile_options(-Ofast)
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
    message(STATUS "Maximum optimization for speed, debug info included")
    add_compile_options(-Ofast -g)
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "MinSizeRel")
    message(STATUS "Maximum optimization for size")
    add_compile_options(-Os)
else ()
    message(STATUS "Minimal optimization, debug info included")
    add_compile_options(-Og -g)
endif ()

include_directories(Core/Inc
        Drivers/STM32F1xx_HAL_Driver/Inc/Legacy
        Drivers/STM32F1xx_HAL_Driver/Inc
        Drivers/CMSIS/Device/ST/STM32F1xx/Include
        Drivers/CMSIS/Include
        Middlewares/Third_Party/FreeRTOS/Source/include
        Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2
        Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM3
        Middlewares/ST/ARM/DSP/Inc)

add_definitions(-DDEBUG -DUSE_HAL_DRIVER -DSTM32F103xB)

file(GLOB_RECURSE SOURCES
        "Core/*.*"
        "Middlewares/*.*"
        "Drivers/*.*"
        "Core/custom/algorithm/filter.cpp"
        "Core/custom/algorithm/filter.h"
)

set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/STM32F103C8TX_FLASH.ld)

add_link_options(-Wl,-gc-sections,--print-memory-usage,-Map=${PROJECT_BINARY_DIR}/${PROJECT_NAME}.map)
add_link_options(-mcpu=cortex-m3 -mthumb -mthumb-interwork)
add_link_options(-T ${LINKER_SCRIPT})

add_executable(${PROJECT_NAME}.elf ${SOURCES} ${LINKER_SCRIPT}
        Core/custom/algorithm/filter.cpp
        Core/custom/algorithm/filter.h)

set(HEX_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.bin)

add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        COMMENT "Building ${HEX_FILE}
Building ${BIN_FILE}")

target_link_libraries(focproject.elf PRIVATE /Users/mac/CLionProjects/motorctrl/Middlewares/ST/ARM/DSP/Lib/libarm_cortexM3l_math.a)
# 禁用硬件浮点支持，使用软件浮点库
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=soft")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=soft")